package com.practice.J2E.Test;

/**
 * @author kayn
 * @create 2023-09-22 上午 10:02
 */
public class Test {

    public static void main(String[] args) {

        String a = "bd387b8e-f4df-4789-4d19-fccd029f8d33";

        System.out.println(a.toUpperCase());

        //李娇是美女
    }

}

